Convert palmus (ancient Roman palm) to petameter
Selected category: length.
Definition and details for palmus (ancient Roman palm):
Palmus was used by ancient Romans as a unit of length equal to 7.3925 cm.
Definition and details for petameter:
Petameter (Pm) is a metric unit of distance equal to 1015 meters. The distance from our sun to the nearest star is about 40 petameters.